diff --git a/skeletons/asn_codecs_prim.h b/skeletons/asn_codecs_prim.h
new file mode 100644
index 0000000..69ee106
--- /dev/null
+++ b/skeletons/asn_codecs_prim.h
@@ -0,0 +1,33 @@
+/*-
+ * Copyright (c) 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef	ASN_CODECS_PRIM_H
+#define	ASN_CODECS_PRIM_H
+
+#include <asn_application.h>
+
+typedef struct ASN__PRIMITIVE_TYPE_s {
+	uint8_t *buf;	/* Buffer with consecutive primitive encoding bytes */
+	int size;	/* Size of the buffer */
+} ASN__PRIMITIVE_TYPE_t;	/* Do not use this type directly! */
+
+asn_struct_free_f ASN__PRIMITIVE_TYPE_free;
+ber_type_decoder_f ber_decode_primitive;
+der_type_encoder_f der_encode_primitive;
+
+/*
+ * Specific function to decode simple primitive values
+ * (INTEGER, ENUMERATED, REAL, OBJECT IDENTIFIER, etc).
+ * Also see xer_decode_general() in xer_decoder.h
+ */
+asn_dec_rval_t xer_decode_primitive(asn_codec_ctx_t *opt_codec_ctx,
+	asn_TYPE_descriptor_t *type_descriptor,
+	ASN__PRIMITIVE_TYPE_t **struct_ptr,
+	const char *opt_mname,
+	void *buf_ptr, size_t size,
+	ssize_t (*prim_body_decode)(ASN__PRIMITIVE_TYPE_t *struct_ptr,
+		void *chunk_buf, size_t chunk_size)
+	);
+
+#endif	/* ASN_CODECS_PRIM_H */